1. Signing a desirable contract

1. Purpose
The purpose of this action plan is to promote win-win cooperation and mutual growth, and to establish reasonable and fair trade practices by suggesting actions to be observed when contracting between KLEANNARA Co., Ltd. (hereinafter referred to as the "Company") and partner companies.

2. Composition of action items
This action plan consists of the following items.
1) "Establishment of a fair contract signing system" that the company must establish before signing a contract
2) "Contract with guaranteed right of self-determination" that seeks to conclude a contract according to the free will of the contracting parties
3) "Faithful performance of the contract according to the contract and related laws" to promote fair contract and predictability of both parties

3. Establishment of a fair contract signing system

3.1. Establishment of selection criteria for contract signing method
3.1.1. The company selects a contract signing method with a partner company based on fair standards, and the specifics are as follows.
However, details are subject to change depending on circumstances such as the details of the transaction.
1) Private contract: A method in which a contract is concluded by arbitrarily selecting a company that meets the purpose of the contract without relying on methods such as bidding.
2) General competition contract: A method in which a successful bidder is determined and a contract is concluded after free competition without restricting or appointing participants (company) in the bidding for selecting a partner company.
3) Restricted Competition Contract: A method in which the qualifications of participants (company) are restricted in the bidding to select a partner company, and competition between the relevant companies is encouraged, and the successful bidder is determined and the contract is concluded.
4) Nomination competition contract: A method in which a participant (company) is nominated, a competition is conducted between the nominated companies, and a successful bidder is determined and the contract is concluded.
3.1.2. The company has the following internal selection criteria in consideration of various criteria, such as the importance of the product, the number of possible counterparties, the experience and performance of the company, and the amount of the transaction.

3.2. Proposal system for companies wishing to do business - the Company must operate channels such as a purchase portal system where new companies wishing to make a transaction can directly make a proposal.

3.3. Establish PRMS(Partner Relationship Management System)

3.3.1. A company can establish and operate a PRMS that guarantees transparency and stability of transactions and promotes win-win cooperation by immediately sharing information necessary for transactions with business partners.

3.3.2. The company can open a web page to support information sharing and win-win cooperation between partner companies, and support mutual cooperation such as regular meetings.

4. Conclusion of a contract guaranteeing the right to self-determination

4.1. The parties to the transaction must comply with each of the following so that they can conclude a contract mutually with free will.
4.1.1. Advance issuance of documents (contract or any documents proving the contract)
(1) The parties to the transaction must conclude a written contract in advance, and at least sign a contract before starting work for delivery. However, the Company may conclude a contract using an electronic method through the purchase portal system established by the Company, and may issue electronic documents using the aforementioned purchase portal system.
(2) The subcontract contract must include the details of the subcontract, such as the subcontract price and its payment method, as well as the content stipulated in the relevant regulations, such as the conditions, method and procedure for adjusting the subcontract price according to changes in raw material prices.
(3) In the case of transactions in which business performance such as product delivery and settlement are frequently performed, the basic contract (a contract containing the basic contents of the contract, such as an annual contract) is first prepared, and then each order form (including an order form through a purchase portal) or individual contract shall be used to perform work and settle the transaction for a certain period.
(4) In the case where a change in quantity is clearly expected due to minor and frequent additional work, a settlement agreement shall be issued immediately after the completion of work such as delivery. However, the two parties may agree in advance to provide a method to confirm the contents of the settlement service by electronic means such as a purchase portal, in lieu of the issuance of the aforementioned settlement agreement.
(5) In the case of requesting additional delivery within a period significantly shorter than the period normally permitted by trade practices, a prior written agreement (including electronic documents) must be made with regard to major items.

4.1.2. Determination of unit price by rational calculation method
(1) The unit price for parts, etc. shall be negotiated and determined in accordance with a reasonable method determined by adding appropriate administrative fees or profits, taking into account various circumstances such as quantity, quality, specifications, delivery date, payment method, material price, labor cost, market price trends, etc.
(2) If a cause for change occurs in the initial unit price during the contract period, an application for unit price adjustment may be made to the other party. In this case, it shall be decided again through mutual consultation within 30 days (possible to extend by 30 days) from the date of application.
(3) If the unit price determination is delayed due to special reasons, the temporary unit price determined by agreement between the parties to the transaction may be applied. Even in this case, the parties to the transaction shall retroactively settle the difference between the temporary unit price and the fixed unit price when determining the fixed unit price.
(4) The parties to the transaction should regularly investigate the wage rate, which is the standard for cost calculation, and propose a unit price that fits the reality to pursue win-win cooperation. In this case, the wage rate calculated by considering the characteristics of each company, such as working conditions, the size of the subcontractors, the technology required to perform the work, and the technology level of each company, should be established in consideration of the labor cost of the same industry.
(5) When the initially set unit price is changed, standards and procedures that shall be implemented for negotiating price change between the parties shall be stipulated in the contract and applied for the price change.
(6) Specific details such as the reason for unit price change (inflation, raw material price, exchange rate change, etc.), negotiation period, and payment conditions shall be stipulated.

4.1.3. Specific and feasible delivery times
(1) The Company shall determine the delivery date in accordance with the normal practice of the relevant industry in consideration of the characteristics of each industry after sufficient consultation with the subcontractor.
(2) When a contract is concluded, the delivery date is set, and if the delivery date is changed, it shall be clearly stated. In the case of a shorter delivery period than usual in the name of an emergency order, etc., the Company shall agree with subcontractor after sufficient consultation with the subcontractor.
(3) The company shall compensate the subcontractor for any damage caused by unreasonable delay or refusal of receipt, even though there is no reason to blame it on the subcontractor.

4.1.4. Just and objective inspection standards
(1) In the inspection of deliverables, etc. (‘finished products’, hereinafter the same shall apply in construction), the Company shall consult with partner companies in advance to determine the standards and methods of objective, just, and fair and reasonable inspections in light of the normal practice.
(2) The Company shall immediately issue a receipt (including any other data proving that the company has received the product, such as a transaction statement agreed between the two companies in advance), even before inspection, when a delivery from a partner company is made. Inspection shall be carried out promptly in accordance with pre-determined inspection regulations and procedures.
(3) The company shall manage the ordered parts before inspection or during the inspection period in accordance with principle of good manager.

4.1.5. Determination of a reasonable payment due date
(1) When the Company entrusts subcontract manufacturing, etc. to a subcontractor, the company shall pay the price by the payment due date, the shorted possible date set within 60 days from the date of receipt of the delivered product (in the case of construction, this refers to the date of acceptance, in the case of services, the date on which the entrusted service is completed, and if the parties set the issuance date of tax invoices more than once a month due to frequent delivery, it refers to the date determined ; hereinafter the same shall apply.)
(2) In the case of entrusting manufacturing, etc. to a subcontractor, when the completion payment is received from the ordering party due to the completion of manufacturing, repair, construction, or service performance, the payment must be made within 15 days from the date of receipt of the payment (if the payment due date comes before that, by the payment due date).
(3) In the event of receiving interim payment according to the progress of manufacturing, repair, construction, or service performance, the subcontractor shall pay an amount equivalent to the manufacturing, repair, construction or service performance within 15 days from the date of receipt of the payment (if the payment due date comes before that, by the payment due date).
(4) When the Company pays the subcontract consideration to a subcontractor, the Company shall not pay less than the proportion of cash which he/she received from the person placing an order in connection with the entrustment of the manufacturing, etc. concerned.
(5) Where the Company pays the subcontract consideration by a bill, the Company shall not draw a bill, the period of payment of which exceeds the period of payment (issuance date to due date) of the bill that the prime contractor has received from the person placing an order in connection with the entrustment of the manufacturing, etc. concerned.
(6) Where the Company pays the subcontract consideration by a bill, the bill shall be one which can be discounted (discount rate determined and announced by the Fair Trade Commission) at any financial institution established by law and the discount commission for the period from the date of delivery and to the due date of the bill shall be paid to the subcontractor on the day on which the bill is delivered.
(7) Where the bill is delivered within 60 days after the subject matter, etc. are received, the discount commission for the period from the date 60 days pass after the date when the subject matter, etc. are received to the due date of the bill shall be paid to the subcontractor within 60 days from the date the subject matter, etc. are received.
(8) Where the Company pays the subcontract consideration by means of payment in place of a bill, the Company shall pay commission (including interest for loan) on the date for payment for the period from the date for payment (referring to the date of approval of card settlement in cases of exclusive-use card for business purchases, to the date of transmission of details of delivery, etc. of goods in cases of loan against of security of credit card sales claims, and to the date of settlement of purchase funds in cases of purchase loans) to the date of repayment of the subcontract consideration to the subcontractor.
(9) Where it is paid by means of payment in place of a bill within 60 days from the date of receipt of subject matter, etc., commission for the period from the day on which 60 days pass from the date of receipt of subject matter, etc. to the due date of the bill shall be paid to the subcontractor within 60 days from the date of receipt of subject matter, etc.
(10) Where the Company pays the subcontract consideration after 60 days pass from the date of receipt of subject matter, etc., the Company shall pay interest calculated by the interest rate publicly notified by the Fair Trade Commission for the days elapsed.

4.1.6. Reasonable and fair return processing for defects found after delivery - the Company shall process the return by agreement between the parties by stipulating the subject to identify the cause of the defect, the type of the cause of the defect, and the corresponding liability ratio.

4.1.7. Termination (cancellation and termination) of the contract at the will of the parties
1) The reasons for cancellation and termination of the contract shall be determined by agreement between the contracting parties, and the distinction shall be made between ‘cases possible without notice’ and ‘cases where notice is necessary’ and in the event of cancellation or a cause for termination, it shall be notified in writing without delay.
2) Cases where cancellation and termination of the contract are possible without notice are as follows.
(1) Where the other party has received a transaction suspension disposition from a financial institution or a disposition such as business cancellation or business suspension from the supervisory authority
(2) When the other party decides on dissolution, transfer of business, or merger with another company, or when both parties acknowledge that it is difficult to perform the contents of the basic contract or individual contract due to disaster or other reasons
(3) The cases where a request is necessary are as follows, and in this case, the other party shall set a period of one month or more to give a notice of performance, and if the performance is not performed within the period, it shall be possible to cancel or cancel it.
(4) In case the other party has violated the material terms of this Agreement or individual agreements or in case the supplier who receives the delivery delays the implementation of the matters necessary for the production of ordered parts without justifiable reasons, thereby impeding the work of the supplier
(5) If the supplier refuses to manufacture ordered parts without justifiable reasons or delays initiation, and it is deemed difficult to deliver within the due date
(6) In case there is a significant reason for not being able to smoothly perform the contract due to the lack of technology, production and quality control capabilities of the partner company

4.2. The parties to the transaction shall avoid each of the following items in the process of concluding the contract.

4.2.1. Failure to issue or preserve documents
1) An act of issuing a document without stating the relevant matters for matters that are difficult to determine at the time of entrustment without justifiable reasons, but without stating the reasons for the matters not being determined and the expected date for determining the matters
2) Delays in issuing or not issuing a new document to a subcontractor even though the relevant matter has been confirmed after issuing a document that does not include relevant details
3) Refusal to acknowledge or deny a written response within 15 days of receiving a request to confirm the details of the work entrusted by the subcontractor, subcontract payment, and date of consignment with respect to the oral consignment (order)
4) Failing to sign or seal the prime contractor (person in charge of the contract, such as an executive in charge of the contract) while acknowledging or rejecting the contents of the verbal consignment (order)
5) Failing to issue a specific additional contract or work order, etc. for the scope of additional work is divided and the amount is considerable
6) In the case of construction work, an act of failing to issue a change contract or a statement of settlement due to a dispute over settlement between the parties, although the amount of construction added or changed during the construction process has been proven
7) Acts of arbitrarily discarding statutory documents within 3 years in accordance with the regulations of the prime contractor without preserving statutory documents for 3 years
8) The act of preserving documents (documents) for 3 years from the date of completion of the transaction, but post-production of false statements(documents) or documents with false contents
9) Failing to preserve documents related to the subcontract price determination, such as bid details, successful bidder decision letter, quotation, site description in the case of construction consignment, and specifications, etc.

4.2.2. Fixing unreasonable subcontract consideration
1) Fixing subcontract consideration by indiscriminately reducing the unit price without any justifiable reasons
2) Fixing subcontract consideration by deducting an amount after allotting unilaterally such amount under some pretext, such as a request for cooperation, etc.
3) Fixing subcontract consideration by discriminating against a specific subcontractor without any justifiable reasons or fixing subcontract consideration unilaterally without agreement with subcontractor at a low price
4) Same as above 3)
5) Fixing subcontract consideration at a price lower than the total amount of direct construction expenses without any justifiable reasons when a private subcontract is concluded
6) Fixing subcontract consideration at a price lower than the lowest tender price without any justifiable reasons in concluding a subcontract through competitive bidding
7) Fixing subcontract consideration by lowering the unit price indiscriminately without objectively justifiable reasons for the unit price reduction, such as a decrease in the price of materials and a decrease in labor cost
8) Fixing subcontract consideration by discriminating against a specific subcontractor even though there is no difference in terms of payment, transaction quantity, difficulty of work, etc.
9) Fixing subcontract consideration based on the quoted price while placing an actual order in a small amount after making an estimate on the premise of placing a large amount of order
10) Fixing subcontract consideration by entrusting manufacturing, etc. without setting the price, and then lowering the price than that is usually paid without going through consultation with the partner company
11) Fixing subcontract consideration by requesting and receiving technical data, etc., and then providing it to another subcontractor and lowering the price based on the quoted price of the other subcontractor
12) Fixing subcontract consideration by lowering it on the grounds that construction should be carried out within the same budget by creating a budget that is significantly lower than the original contract price
13) Fixing subcontract consideration at a significantly lower price than the price normally paid for reasons of export, special discount sales, freebies, samples, etc.

4.2.3. Oral request for proposal or development request and an act of canceling development after completion of equipment or production preparation, or requesting a reduction in the unit price offered when verbally requested

4.2.4. Unreasonable Intervention in Management
1) An act of interfering in personnel management by a subcontractor in appointing or dismissing executives and/or employees by obtaining their own instructions or approval, or by having a specific person to be hired against the will of the subcontractor
2) An act of intervening in subcontract transactions and selecting them regardless of the purpose of the subcontract transaction, such as maintaining the quality of the consigned products and delivering within the due date. An act that restrict the contents of subcontract transactions, such as setting contract conditions
3) An act of mobilizing field workers to construct a project against the will of a small and medium-sized enterprise despite the fact that construction is being carried out normally
4) An act of restricting a partner's production items, facility size, etc., or preventing a partner from doing business with competitors of themselves or their affiliates
5) An act of requesting and providing technical data, etc. related to delivery to a partner company without any justifiable reason
6) An act of forcing a partner to participate in a special sale event such as a sale with giveaways or special discount sales, or forcing the purchase of goods or gift certificates, etc.

4.2.5. Non-reflection of additional construction costs in case of construction related contracts
1) An act of preventing the subcontractor from requesting the settlement of the additional quantity when an additional cost occurs after construction is completed
2) An act of imposing on the subcontractor the cost of installing and operating the supervisor's office, or prohibiting any changes to the contract due to wage increase or price fluctuations after the initial contract
3) Delays and suspensions of construction due to construction circumstances, natural disasters due to climate, and suspension of construction due to rainy season are excluded from the construction period, and the act of refusing to accept additional contracts for this reason

4.2.6. Failure to adjust subcontract price due to design change
1) Failing to pay an additional amount or paying less than received amount or receiving rate even after receiving an additional amount from the ordering party due to design changes or changes in economic conditions
2) Failing to increase or decrease the contract amount by the date exceeding 30 days, or making adjustments for more than 30 days after receiving the contract amount adjusted from the ordering party due to design changes or changes in economic conditions
3) Failing to pay delayed interest, bill discount fees, and fees for the excess period when the payment is made in cash or using bills or alternative payment methods after 15 days have elapsed from the date of receipt of the additional amount due to design changes or economic conditions, etc. from the ordering party
4) Failing to notify the subcontractor of the reason and details of the increase or decrease within 15 days from the date of receipt even after receiving an increase or decrease in the contract amount from the client for reasons such as design changes or changes in economic conditions

4.2.7. Failure to adjust subcontract price due to fluctuations in raw material price
1) Failing to respond to consultation requests or failing to conduct substantive consultation procedures such as holding a meeting, exchanging opinions, or presenting a unit price adjustment plan after notifying that consultations will be initiated
2) An act in which the person in charge who has the actual authority of unit price adjustment does not engage in the consultation even though 30 days have elapsed after the request for consultation
3) An act of repeatedly suggesting a price that is unacceptable to the other party without objective grounds such as market research for unit price adjustment and cost estimation

4.2.8. Exclusive transaction request - preventing subcontractors from doing business with themselves and the companies they designate (except for the case of agreeing to an exclusive transaction with a partner company for the reason that technology development is jointly performed with the partner company)

4.2.9. Complaint handling unilateral transfer - taking all economic and administrative responsibility for various civil complaints during construction, and deducting all expenses from the completion payment after handling the complaint if the complaint is not resolved and the dispute persists

4.2.10. Unfair special contract act – an act of making special agreements that are deemed unreasonable in accordance with other relevant laws

5. Faithful performance of the contract in accordance with The contract and related laws

5.1. The parties to the transaction shall comply with each of the following in the process of contract implementation.

5.1.1. Compliance with transaction-related laws such as the Civil Act, the Fair Trade Act, and the Subcontract Act - comply with relevant laws and regulations such as principle of good faith, subcontracting law, fair trade law, etc., but in case of a dispute, it must be resolved through written materials.
5.1.2. Sufficient agreement and issuance in writing in case of unit price reduction - in the case of a unit price reduction due to a decrease in raw material prices or an increase in quantity, reasonable grounds for the reduction in unit price due to an increase in quantity shall be presented and resolved.
5.1.3. Price adjustment according to contract change - If additional costs are required due to contract changes such as requests for additional specifications, the corresponding price shall be paid.

5.2. The parties to the transaction shall avoid each of the following in the process of contract implementation.

5.2.1. Unreasonable refusal to receive
1) An act of unilaterally refusing to receive without justifiable reason, despite the fact that the contents of the consignment are unclear and it is difficult to determine whether the contents of the delivery or construction are different from the contents of the consignment.
2) An act of refusing to receive items that have already been consigned for reasons such as claims from the ordering party, foreign importer, or customer, poor sales, etc.
3) An act of refusing to receive due to delay in delivery even though delivery or construction is impossible due to late supply of raw materials or building materials, etc.
4) An act of applying a standard higher than the normal standard without any justifiable reason without establishing the inspection standard
5) An act of refusing to receive by applying a higher standard than the inspection standard set in the original contract without clear or justifiable reasons, even if the inspection standard has been set
6) An act of refusing to receive without justifiable reasons, such as lack of storage space, even when there is a request for delivery, etc. from the partner company
7) An act of arbitrarily refusing to receive goods that have already been ordered because it is judged that a stable supply is difficult due to the bankruptcy of the subcontractor, etc.
8) An act of refusing to receive other items due to defects in some items despite manufacturing and consigning multiple items, or refusing to receive orders due to order cancellation or suspension of order by the ordering party

5.2.2. Unreasonable return
1) An act of returning goods without justifiable reasons such as cancellation of orders from the counterparties or changes in economic conditions
2) An act of unjustly determining the standard and method of inspection and returning it as unqualified
3) An act of returning a product despite the fact that it has been judged to be rejected due to poor quality of the supplied raw material
4) An act of returning goods for reasons of delay in delivery despite delay in supply of raw materials
5) An act of returning goods that have already been received without justifiable reasons, such as claims from the ordering party, foreign importer, or customer, or poor sales
6) An act of returning goods even though the third party has completed the inspection when the inspection is entrusted to a third party other than the subcontractor
7) An act of returning goods due to the delay in delivery after receiving it despite the fact that there was an objective fact that allowed it to be delayed

5.2.3. Unreasonable reduction of payment
1) An act of reducing subcontract consideration by citing unreasonable grounds, such as requests for cooperation, cancellation of an order by the other party to the transaction, change in economic circumstances, etc., after giving entrustment, in which the conditions, etc. for reduction in the subcontract consideration have not been specified at the time of giving entrustment
2) An act of reducing subcontract consideration by applying the terms and conditions of a new agreement retroactively even to a portion already entrusted before the agreement, where the agreement is concluded with a subcontractor with regard to reduction of a unit price
3) An act of reducing subcontract consideration excessively on the pretext that subcontract consideration is paid in cash or earlier than the due date for payment
4) An act of reducing subcontract consideration by reason of a fault on the part of a subcontractor, which does not cause any substantial loss to a prime contractor
5) An act of deducting an amount not less than the proper purchase price or proper rent from the subcontract consideration, where a prime contractor has had a subcontractor purchase from him/her the goods, etc. necessary for the manufacturing, repair, construction or service performance of the subject matter, etc. or use his/her equipment, etc
6) An act of reducing subcontract consideration on the grounds that the price of commodities or the price of materials, etc. at the time of payment of subcontract consideration has fallen compared with the price at the time of supply, etc.
7) An act of reducing subcontract consideration unfairly for unreasonable reasons, such as loss from operations or reduced sale price, etc.
8) An act of reducing indirect labor costs, general management costs, profits, value-added tax, etc. differently from the original contract
9) An act of imposing on a subcontractor employment insurance premium, industrial safety and health management expenses, other expenses, etc., which should be borne by a prime contractor under the Act on the Collection of Insurance Premiums, etc. for Employment Insurance and Industrial Accident Compensation Insurance, the Occupational Safety and Health Act
10) An act of reducing subcontract consideration due to failure to deliver which is due to delay of supplying materials or equipment which are supposed to be provided by a prime contractor or failure to complete within the period which was originally set in a unreasonable manner
11) An act of reducing subcontract consideration that has already been confirmed on the grounds of continuous ordering, or reducing subcontract consideration for the specific details of manufacturing or construction despite the total amount based contract
12) An act of reducing subcontract consideration differently from the original contract on the grounds that the order was received at a low price, etc.
13) An act of reducing subcontract consideration as a result of changing the contract, even though the contents and conditions of the consignment remain unchanged
14) An act of reducing subcontract consideration by imputing foreign exchange loss, etc. to a partner company differently from the original contract terms

5.2.4. Unfair Requests for Economic Profits
1) An act of demanding economic benefits such as sponsorship money, incentives, and subsidies on condition of initiation of a transaction or large-scale transaction
2) An act of demanding economic benefits such as sponsorship money, incentives, and subsidies for unreasonable reasons, such as worsening profits or business conditions;
3) An act of demanding economic benefits such as sponsorship money, incentives, and subsidies even though there are no legal obligations to be borne by other business partners

5.2.5. Transfer of expenses incurred due to company causes – an act of transferring costs due to the company's wage increase or delay in the internal arbitration procedure to the subcontractor

5.2.6. Unfair act of repayment - unlike the initial contract, an act of paying the specified price with goods against the will of the partner and demanding to accept it

5.2.7. Retaliatory action – an act of restricting trading opportunities or giving other disadvantages such as suspension of trade because the subcontractor reported it to the Fair Trade Commission as a violation of the Subcontracting Act.

5.2.8. Illegal act
1) An act that substantially evade the application of the subcontracting law by means of a detour in relation to subcontract transactions
2) An act of collecting the payment after paying the subcontractor in accordance with the corrective action taken by the Fair Trade Commission or by deducting it from the delivery price, etc.
3) An act of lowering the unit price uniformly by an amount corresponding to the payment of discount on bills, delayed interest, etc.

5.2.9. Compelling Purchase of Goods, etc.
1) An act of compelling a subcontractor to purchase or use products or services of the company, its affiliates, or a specific company without justifiable reasons
2) An act of unjustly compelling a subcontractor to purchase materials used by a supplier at the construction site against the will of the subcontractor or forcing him to purchase or use the goods or equipment designated by him
3) An act of repeatedly requesting subcontractor to purchase without justifiable reasons even if a subcontractor has indicated that they do not intend to purchase or even if it is clearly recognized that they do not intend to purchase

5.2.10. Unfair Requests for Settlement of Purchase Price, etc.
1) An act of having the subcontractor pay all or part of the purchase price or rent prior to the date of payment of subcontract consideration of the relevant subject matter, etc after having a subcontractor purchase goods, etc. necessary for the manufacturing, repair, construction, or service performance of subject matter, etc. from himself/herself, or use his/her equipment, etc.
2) An act of having the subcontractor pay the purchase price or rent on condition that is remarkably unfavorable compared with that on which the prime contractor purchases or uses the goods, etc., or supplies the goods, etc. to a third party after having a subcontractor purchase goods, etc. necessary for the manufacturing, repair, construction, or service performance of subject matter, etc. from himself/herself, or use his/her equipment, etc.

5.2.11. Request to Provide Technical Data
1) An act of compelling subcontractor to provide him/her or any third person with the subcontractor's technical data as follows without justifiable reasons
(1) Data on how to manufacture, repair, construct or perform services that have been kept secret by reasonable efforts
(2) Data related to intellectual property rights, such as patent, utility model, design rights, and copyrights
(3) Other technical or managerial information useful for business activities and having independent economic value
2) An act of misusing technical data acquired from partner companies for self or a third party

2. Fair selection of partner company

1. Purpose
The purpose of these practices is to contribute to the establishment of a fair subcontracting practice of KLEANNARA Co., Ltd. (hereinafter referred to as the 'Company') by enhancing transparency and fairness in selection, evaluation, and operation of partner companies and to promote the prevention of violations of the Act on Fair Subcontract Transactions and related regulations (hereinafter referred to as “Subcontract Act") in advance.

2. Definitions

2.1. "Partner" means a business that is scheduled to be a subcontracted company for the company's manufacturing, construction, service outsourcing transaction, etc., or is currently doing business with the Company.

2.2. “Partner pool” means a group (scope) of partners that the company internally registers, manages, and operates according to a certain standard.

2.3. “Selection of a partner” means registration in the company’s partner pool.

2.4. “Operation of partner” means that the company manages the partner pool according to certain internal standards, such as granting an opportunity to start a transaction or canceling registration to a company registered and selected as a partner.

3. Selection and operation of partners

3.1. Basic principles - the Company shall endeavor to ensure autonomy, transparency and fairness in performing all tasks related to the registration and selection of partners and other matters related to operation of partner pool, and for this purpose, in addition to the details below, individual and specific standards can be established and applied in consideration of all circumstances such as the size, transaction performance, and situation of each partner company.

3.2. Selection and operation of partners

3.2.1. Criteria of selecting partners, its procedures and fairness of results
(1) The partner selection criteria and procedures shall be disclosed on the purchase-related website operated by the Company for at least 15 days, 30 days before the due date of the partner registration or 30 days before the start of the registration (including renewal registration) review.
(2) In case of changing the partner registration evaluation criteria, it shall be notified individually in writing (including electronic documents) 45 days in advance to the partners subject to renewal registration, and the changes shall be reflected to the purchase portal system operated by the Company within 7 days after the change.
(3) When a business partner registration is decided, the result shall be notified individually in writing (including electronic documents, the same applies hereinafter) within 15 days from the registration date, and unselected partners must be notified in writing, specifying the reason.

3.2.2. Specificity and clarity of selection criteria
The Company shall clearly and specifically establish the selection criteria for partner companies, and endeavor to prevent unreasonable results from being interpreted arbitrarily.

3.2.3. Fairness of selection criteria and procedures
(1) The Company shall select a partner company by sufficiently reflecting each of the following selection criteria. The criteria below are exemplary, not limited or enumerated, and can be individually determined according to the characteristics of each business field.
Ex) Whether you have a professional license in the relevant field according to related laws, whether you have financial soundness by an external evaluation agency, whether you have violated relevant laws such as the subcontracting law for a certain period of time, whether you have technology development records and facilities related to the transaction, and whether you have a patent
(2) The department in charge shall disclose the criteria and procedures for selecting a partner company, and at the same time, discloses the criteria and procedures for cancellation of registration on the purchase-related website, etc. for at least 15 days.
(3) If the application of a company who wishes to register partner is not accepted, the Company shall provide a period for filing an objection, and the period shall be 15 days from the date of notification of rejection of registration. Provided that, the Company may extend the period if there is a justifiable reason, but in this case, the company shall notify it as soon as possible.
(4) The Company shall not discriminate in the selection criteria between the current registered company and the new registered company without justifiable reasons.
(5) The Company can register a partner company with approval from the executive in charge if the partner company wishing to register is evaluated with a total score of 80 or more based on the criteria for each item set by the Company. However, even if the total score is less than 80 points, registration is possible if it is evaluated that there is no substitute partner for having special qualifications or skills.
(6) The criteria for each item in (5) above include the following selection criteria.
- Whether a partner hold the relevant professional license in accordance with applicable laws
- Whether a partner has financial soundness by external professional rating agencies (credit rating agencies, etc.)
- Whether there are any violations of related laws
- The performance of technology development related to the transaction, the size of the facility, and other capabilities or performance of partner company

3.2.4. Provision of equal opportunities for initiation of trade - for companies selected and registered as partners, the Company shall not take discriminatory measures such as limiting the opportunity to participate in the bidding for the start of the transaction without justifiable reasons.

3.2.5. Fair standards and procedures of partner registration and cancellation
(1) The Company shall transparently disclose the selection criteria and procedures of partner companies, and at the same time, disclose matters related to the standards and procedures for cancellation of registration for at least 15 days by posting on the business site, electronic media (the Company's website), or other methods that can be recognized by the business operator wishing to register.
A) Fair criteria of cancelling registration
① In the event of a serious and obvious cause attributable to the partner in relation to the subcontract transaction
② In case normal operation is impossible, such as bankruptcy, suspension of business, closure of business, seizure of important assets, etc.
③ In case of violation of related laws such as the Subcontracting Act and the Fair Trade Act
④ In case other qualifications such as licenses, permits, etc. are revoked or deprived in accordance with relevant laws

B) Unfair criteria of cancelling registration
① In case of cancellation of registration due to non-cooperation with matters unilaterally presented by the Company, such as a cost reduction plan, a request for a reduction in the delivery unit price, etc.
② In case of cancellation of registration due to duplicate registration as a partner of a competitor (however, if there is a justifiable reason such as leakage of trade secrets, an exception is acceptable).
③ In case of cancellation of registration due to no transaction performance of partner company which is due to non-order or non-consignment by the Company even though there is no cause attributable to the partner company (however, registration can be canceled if there is no transaction performance for a considerable period of time due to a partner company failing in competition to initiate a transaction)
④ In the case of cancellation of registration due to non-compliance with the Company's instructions for personnel management of partner companies
(2) In case of canceling the registration of a partner company, the reason shall be written and notified, and the partner shall be able to raise an objection within 15 days or more from the date of receipt of the notification.
(3) In the event that a partner's registration is unfairly canceled due to reasons attributable to the Company, it shall immediately take measures for re-registration.

3.2.6. Personnel penalties for non-compliance with executives and employees
The Company shall take corresponding measures (eg, disadvantages in personnel management, etc.) if executives and/or employees do not comply with the practices intentionally or by gross negligence.

3. Subcontract Internal Review Committee

1. Purpose
The purpose of this practice is to contribute to the establishment of a fair subcontract transaction order by having KLEANNARA Co., Ltd. (hereinafter referred to as the “Company”) deliberate in advance on the fairness and legality of subcontract transactions of a certain size or larger and to present general matters for the prevention of violations of the 「Act on Fair Subcontract Transactions」 (hereinafter referred to as the “Subcontracting Act”) in the 「Guidelines for Fair Subcontract Transactions」.

2. Actions related to the establishment and operation of the internal review committee

2.1. Basic principles
(1) The Company shall establish and operate an internal review committee so as not to violate the subcontracting law, fair trade laws, articles of incorporation, and other management policies, and ensure that the committee operates autonomously, appropriately and efficiently.
(2) In order to achieve the purpose of (1) above, the company may separately set and operate individual and specific details that are not described in this action plan.

2.2. Establishment and operation of internal review committee

2.2.1. Appropriateness of the composition of the internal review committee
(1) The internal review committee is chaired by the CFO, and consists of the auditor, purchasing team leader, Truth Management Team leader, R&D center head, and business support team leader.
(2) The internal review committee is convened with the attendance of 5 or more members including the CFO.
(3) The secretary of the internal review committee is the purchasing team leader, and the purchasing team leader coordinates the review committee. However, in the case of dispute resolution, the Truth Management Team leader becomes the secretary and coordinates the review committee.
(4) If necessary, the Company may include personnel in charge of related departments in the committee, and may appoint external experts such as outside directors to operate the review committee.

2.2.2. Effectiveness of internal review committee operation
(1) The Company shall hold an internal review committee at least once a month, and may hold it at any time when an issue arises.
(2) The internal review committee deliberates the following matters.
A. Prior review on each of the following related to transactions with a company with a transaction consideration of over 5 billion won in the immediately preceding business year (however, in the case of a transaction with a company that did not have a track record in the previous business year, if the transaction consideration is expected to be more than 400 million won per month, prior review is required.)
① Whether the obligation to issue a written contract is complied with
② Whether to violate the prohibition of unfair subcontract payment determination
③ Whether there is a violation of the ban on forced purchase of goods, etc.
④ Whether to violate the prohibition of unreasonable demands for economic interests
⑤ Other important matters related to subcontracting laws and mutual growth practices
B. Review on the adequacy of standards of registering and cancelling new partners and of other related procedures
C. Review of complaints received about non-selection of business partners or cancellation of registration
D. Subcontract-related dispute mediation procedure
E. Implementation of post verification procedure for legality of subcontract transaction (however, it is limited to cases related to transactions with a business partner with a transaction amount of 5 billion won or more in the immediately preceding business year, and includes cases where the monthly transaction amount is 400 million KRW or more in the case of a business that does not have a transaction in the immediately preceding business year.)
(3) The internal review committee shall deliberate on objections to non-selection of partner companies or cancellation of registration.
(4) The internal review committee may listen to the opinions of relevant subcontractors if necessary, and in this case, anonymity shall be guaranteed if necessary.
(5) The internal review committee shall voluntarily rectify any matters that may be in violation of related laws, such as the Subcontracting Act, and in case of intentional or gross negligence of the relevant executives and employees, sanctions corresponding to the degree of violation (eg, disadvantages in personnel management, etc.) shall be taken.

2.2.3. Dispute mediation procedure details
(1) The internal review committee deliberates on applications for dispute mediation submitted by the department in charge of dispute mediation, and detailed procedures follow [Appendix 1] Dispute Mediation Procedures.
(2) The internal review committee may conduct additional investigations if necessary to confirm the facts of the dispute mediation matters, and may request the subcontractors who have applied for dispute mediation or the person in charge of the relevant department to submit relevant data and to attend the committee.
(3) Dispute mediation procedures cannot exceed 60 days from when they are initially submitted to the Truth Management Team, and may be extended up to 30 days at a time if necessary for fact-finding and internal deliberation.
(4) The internal review committee may suspend mediation and terminate the procedure in the following cases:
A. When a party who has no interest in the content of the application for mediation applies for mediation
B. When there is an application for mediation for a case that is not subject to mediation
C. In the event that the request for mediation is not submitted even though it has requested the applicant for mediation to submit related data, such as a report, proof, etc. twice or more to confirm the facts
D. When mediation is requested again for a case that has already been mediated
E. Other reasons that the internal review committee determines that there is no need for mediation due to reasons equivalent thereto.
(5) When mediation is stopped in accordance with (4), the internal review committee shall immediately notify the partner that has requested mediation.
(6) When the internal review committee makes a final decision on the mediation proposal, the mediation process ends, and the review committee shall notify the subcontractor, dispute-related department, and Truth Management Team of the final decision, and report it to the CEO.
(7) The internal review committee may request the dispute-related department to confirm the implementation result of the mediation proposal, and may request the submission of a report on the implementation result if necessary.

2.2.4. Retention of internal review committee records
(1) Purchasing team leader (the most senior person in attendance in the absence of the purchasing team leader) prepares meeting minutes including the committee's agenda for deliberation, the results of the deliberation, follow-up measures, and other related details, and administers them after the chairperson's signature.
(2) Matters related to dispute mediation procedures are managed by the Truth Management Team leader, who prepares the relevant minutes with signs of the chairperson.
(3) Minutes and related data of the internal review committee are kept for 3 years from the date of completion of the review.

4. Desirable issuance and preservation of documents

1. Purpose
The purpose of this practice is to ensure that both KLEANNARA Co., Ltd. (hereinafter referred to as the “Company”) and small and medium-sized companies (hereinafter referred to as “partners”) clearly recognize the matters related to the issuance of documents under the 「Act on the Fairness of Subcontract Transactions」 (hereinafter referred to as the 'Subcontracting Act') and to establish a fair subcontract transaction order by presenting the specific matters that the Company shall comply with or endeavor in relation to the issuance of documents or the retention of documents in the process of concluding subcontracts and transactions between the Company and partners.

2. Action items composition
The actions are largely composed of the following.
(1) Matters related to the issuance of various documents in the course of subcontract transactions (issuance of documents)
(2) Matters related to the preservation of documents and other documents issued in accordance with 1 above (retention of documents)

3. Matters related to the issuance of documents in subcontract transactions

3.1. Issuance of all documents
(1) In the process of concluding and implementing a subcontract contract, the Company shall issue each of the following documents as stipulated in the relevant laws, such as the Subcontracting Act, to the subcontractor, and the documents subject to it are as follows.

(2) In accordance with Article 3, Paragraph 1 of the Subcontracting Act, the Company may issue the details of the basic contract and modified contract as an electronic document through the Company's purchase portal system.

3.2. Issuance of subcontract contract (Article 3 Paragraph 1 of the Subcontracting Act )

3.2.1. Occurrence of obligation to issue documents
When the Company entrusts manufacturing, repair, construction, service, etc. to a subcontractor, and after each consignment, the consignment that is not in the relevant contract details or consignment to change the contract details (hereinafter referred to as “addition and change entrustment”), a written document (including electronic documents pursuant to subparagraph 1 of Article 2 of the 「Basic Act on Electronic Documents and Electronic Transactions」) containing major matters (quantity, unit price, etc.) shall be issued to the subcontractor.

3.2.2. Items listed in the document (Article 6 of the Enforcement Decree of the Subcontracting Act)
(1) The date of consignment and the details of what the subcontractor has been entrusted with (hereinafter referred to as ‘objects, etc.’)
(2) The time and place of delivery, transport, or provision of objects, etc. to the Company
(3) Method and timing of inspection of objects, etc.
(4) Subcontract payment (including advance payment, completion payment and adjusted amount) and payment method and payment date
(5) The name of the raw material, etc., quantity, date of provision, payment method and payment date of the price, etc. when the company intends to provide raw materials, etc. necessary for the manufacture, repair, construction, or service performance of an object, etc. to a subcontractor
(6) Requirements, methods, procedures, etc. of adjustment of subcontract price due to changes in the price of raw materials, etc. after receiving consignment for manufacturing, etc.

3.2.3. Time of issuance of documents
(1) In principle, the Company shall issue a written contract without delay after the main contents of the consignment contract are agreed upon with the subcontractor.
(2) In case that it is difficult for the Company to issue a written contract immediately, the contract shall be issued by the period according to the following cases unless there is a special reason.
① Manufacture consignment: before the subcontractor starts work for delivery of goods according to consignment, or addition or change in consignment
② Repair consignment: before the subcontractor starts repairs according to consignment, or addition or change in consignment
③ Construction consignment: before the subcontractor starts the contract construction according to consignment, or addition or change in consignment
④ Service consignment: before the subcontractor starts service performance according to consignment, or addition or change in consignment

3.2.4. Method of issuance of documents
(1) The Company shall issue a contract signed by the company or its representative (including a certified digital signature pursuant to Article 2, No. 3 of the Electronic Signature Act) to the subcontractor, and when a document without the signature or seal of the party to the subcontract transaction is issued, it shall be deemed as non-issuance of documents.
(2) The Company may issue documents by means of providing electronic records such as e-mail, web, purchase portal system built by the Company, electronic record delivery, etc. by mutual agreement with the subcontractor.

3.2.5. Exceptions
The Company may fulfill its obligation to issue documents in a manner different from the above provisions if the document is issued in a reasonable way that is judged to be consistent with the actual subcontract transaction with the subcontractor, and the exceptions are as follows.
(1) If there are matters that are difficult to confirm at the time of entrustment, the Company may issue a document that does not state the matters if there is a justifiable reason for matters that are difficult to confirm at the time of entrustment. Provided that, the reason why the relevant matter has not been determined and the period during which the matter is expected to be determined shall be specified, and a document containing the relevant matter shall be issued immediately upon confirmation.
(2) In the case of frequent transactions in the reality of subcontract transactions, there is no major problem in the establishment and maintenance of the contract in light of the characteristics of the industry or reality and the examples are as follows.
Ex) When the basic contract is issued and the order has been placed by fax or other electronic form, etc., and it is recognized that the order details are clear.
Ex) If some legal items in the contract are missing, but the omissions can be identified with the quantity list and work order provided at the time of ordering.
Ex) In the case where an individual contract can be substituted for the Offer Sheets submitted by the subcontractor to the company while sending the basic contract and manufacturing goods for export
Ex) When the contract is replaced with a settlement agreement immediately after construction is completed for a process in which a change in quantity is clearly expected due to minor and frequent additional work in connection with the consignment of additional construction
(3) However, it shall be regarded as non-issuance of documents in the following cases.
Ex) In case of not issuing a specific additional contract or work order, etc. despite the scope of the work being divided and the amount is considerable
Ex) In the case where the construction quantity added or changed during the construction process has been verified, but the change contract or settlement document is not issued due to a dispute between the parties

3.2.6. Deemed subcontracting
(1) If the Company does not issue a subcontract document stating the matters under Article 3, Paragraph 2 of the Subcontracting Act while entrusting manufacturing, etc., a partner may request confirmation with a notice stating the subcontract price, the date and time of entrustment, the business name and address of the Company and partners, and other details entrusted by the Company. In this case, the partner shall use [Appendix 1 Written Standard Form for Confirmation of Consignment Details].
(2) The Company shall reply to the partner in writing of its intention to acknowledge or disapproval within 15 days after receiving the notification of the above request from the partner, and the Company shall use [Appendix 2 Standard Form for Replies to Request for Confirmation of Consignment Details].
(3) If the Company does not send a reply within 15 days, it is presumed that consignment has been made as notified by the partner, unless a reply is impossible due to a natural disaster or other reasons not attributable to the Company.
(4) The confirmation request in (1) and the reply in (2) shall be sent to the addresses of the Company and the partner, respectively, and sent in a way that can objectively confirm the content and receipt of notices and replies, such as mail with contents certified, etc.

3.3. Issuance of a subcontract reduction document (Article 11 Paragraph 3 of the Subcontracting Act)

3.3.1. Occurrence of document issuance obligation in case of reduction
(1) When the Company does not pay the subcontract price set by the “consignment” of manufacturing, etc. to a partner as it is and intends to pay it by deducting it from the amount, it shall issue a reduction document to the partner.
(2) When a subcontract is concluded and its related transactions are frequent, the basic contract contains general information related to transaction conditions such as payment, transportation, inspection, and return, specifications, materials, and manufacturing process and the details of the subcontract consideration, such as unit price, quantity, etc. are included in a special contract or order form. In case where subcontract price is determined based on a separate special contract or order details, “the time of subcontracting” shall be determined when the special contract or order details are notified to the partner.

3.3.2. Items listed in the document - the documents to be issued when the Company intends to reduce the subcontract price shall state the reasons and standards for the reduction, the amount of the target object, etc.

3.3.3. Time of issuance of documents - when the Company intends to reduce the subcontract price, it shall issue a subcontract reduction document to the partner in advance before the reduction.

3.3.4. Method of issuance of documents
(1) The Company shall issue a contract signed by the company or its representative (including a certified digital signature pursuant to Article 2, No. 3 of the Electronic Signature Act) to the subcontractor, and when a document without the signature or seal of the party to the subcontract transaction is issued, it shall be deemed as non-issuance of documents.
(2) When the Company intends to reduce the subcontract price, it shall use [Appendix 3 Standard Form for Reduction of Subcontract Price].
(3) Provided that, the Company may issue documents by means of providing electronic records such as e-mail, web, purchase portal system built by the Company, electronic record delivery, etc. by mutual agreement with the subcontractor.

3.3.5. Exceptions
If there are matters that are difficult to confirm at the time of issuing a subcontract reduction document, the Company may issue a document that does not state the matters if there is a justifiable reason for matters. Provided that, the reason why the relevant matter has not been determined and the period during which the matter is expected to be determined shall be specified, and a document containing the relevant matter shall be issued immediately upon confirmation.

3.4. Issuance of documents requesting the provision of technical data (Article 12-3 Paragraph 2 of the Subcontracting Act)

3.4.1. Occurrence of obligation to issue technical data request document
(1) If the Company intends to request the provision of technical data from the partner with a justifiable reason, the Company shall issue the request document to the partner.
(2) Examples of justifiable reasons for requesting the provision of technical data in accordance with (1) above are as follows.
Ex) In the process of concluding subcontracts through private contracts and competitive bidding (general competition, limited competition, nomination competition, etc.), in the case of requesting technical data from partners for technical evaluation of parters, preparation of standard prices for ordered products, review of proposals, joint technology development, and satisfaction of RFP requirements from the ordering party
Ex) In case where the Company requests technical data from subcontractors for reasons such as technical guidance, quality control, performance testing, joint patent application, patent application support, joint technology development, and cost data request for delivery unit price adjustment during subcontracting transactions
Ex) In case the Company requests the partner's technical data to be provided due to delivery condition of the technical data escrow contract which has been concluded between the Company and the partner

3.4.2. Items listed in the document - the document requesting the provision of technical data shall state the followings.
(1) Name and scope of the technical data
(2) Purpose of request to provide technical data
(3) Matters related to confidentiality (attach a confidentiality agreement if any)
(4) Ownership of rights (the current holder of the right to the technology requested by the Company, whether a mutual technology transfer contract has been concluded, whether the requested technology is jointly developed technology, the ownership of rights after provision, etc.)
(5) Consideration for requesting technical data
(6) Technical data request date, technical data delivery date, and delivery method
(7) Matters that can prove that the Company's request for technical data is justified

3.4.3. Time of issuance of documents (Article 3 Paragraph 1 of the Subcontracting Act)
When the Company requests the provision of technical data, in principle, name and scope of the technical data, purpose of the request, request date, delivery date, delivery method, matters related to confidentiality, ownership of rights, consideration for the technical data, etc. shall be agreed in advance with the partner and a document shall be issued to the partner company without delay when it is agreed.

3.4.4. Method of issuance of documents
(1) The Company shall issue a contract signed by the company or its representative (including a certified digital signature pursuant to Article 2, No. 3 of the Electronic Signature Act) to the subcontractor, and when a document without the signature or seal of the party to the subcontract transaction is issued, it shall be deemed as non-issuance of documents.
(2) When the Company intends to request technical data, [Attachment 4 Standard Form for Requesting Technical Data] shall be used.
(3) The Company may request the provision of technical data through special agreement other than the standard form in accordance with 2) above, provided that, in the special agreement, the items specified in ① to ⑦ of 3.4.2. shall be included.
(4) Provided that, the Company may issue documents by means of providing electronic records such as e-mail, web, purchase portal system built by the Company, electronic record delivery, etc. by mutual agreement with the subcontractor.

3.4.5. Exceptions
If there are matters that are difficult to confirm at the time of issuing a documents requesting the provision of technical data, the Company may issue a document that does not state the matters if there is a justifiable reason for matters. Provided that, the reason why the relevant matter has not been determined and the period during which the matter is expected to be determined shall be specified, and a document containing the relevant matter shall be issued immediately upon confirmation.

3.5. Issuance of a certificate of receipt of the object, etc. (Article 8 Paragraph 2 of the Subcontracting Act)
(1) Except in cases where the Company has a reason to attribute to the partner's responsibility (except when the partner entrusts the supply when the partner delivers, delivers, or provides the object, etc.), a certificate of receipt shall be issued.
(2) The Company shall issue a receipt certificate to the subcontractor immediately (immediately upon completion of inspection in the case of opening a domestic letter of credit pursuant to Article 7 of the Subcontracting Act) even before the inspection of the subject matter.
(3) The Company shall issue a contract signed by the company or its representative (including a certified digital signature pursuant to Article 2, No. 3 of the Electronic Signature Act) to the subcontractor, and the Company may issue documents by means of providing electronic records such as e-mail, web, purchase portal system built by the Company, electronic record delivery, etc. by mutual agreement with the subcontractor.

3.6. Issuance of inspection results for objects, etc. (Article 9 Paragraph 2 of the Subcontracting Act)
(1) The prime contractor shall, after receiving the object, etc. from the subcontractor, conduct necessary inspections to confirm the completion of the object, etc. and the scope of the payment obligation, and notify the subcontractor in writing of the result.
(2) The Company shall issue a contract signed by the company or its representative (including a certified digital signature pursuant to Article 2, No. 3 of the Electronic Signature Act) to the subcontractor, and the Company may issue documents by means of providing electronic records such as e-mail, web, purchase portal system built by the Company, electronic record delivery, etc. by mutual agreement with the subcontractor.

3.7. Issuance of contract amount change statement due to design change, etc. (Article 16 Paragraph 2 of the Subcontracting Act)
(1) In the event that the contract amount is increased or decreased due to changes in economic conditions such as design changes or price fluctuations after consignment of manufacturing, etc., the Company shall notify the partner of the reason and details of the increase or decrease which are received from the ordering party. However, this is not the case when the ordering party notifies the partner directly.
(2) The Company shall issue the above notice to the partner within 15 days from the date the contract amount has been increased or decreased from the ordering party.
(3) The Company shall issue a contract signed by the company or its representative (including a certified digital signature pursuant to Article 2, No. 3 of the Electronic Signature Act) to the subcontractor, and the Company may issue documents by means of providing electronic records such as e-mail, web, purchase portal system built by the Company, electronic record delivery, etc. by mutual agreement with the subcontractor.

4. Matters related to the retention of documents
The Company and its partners shall keep the documents listed in 3 above and other documents specified in Article 6 of the Enforcement Decree of the Subcontracting Act for the period stipulated by the Act, and the corresponding documents are as shown in the table below.

(1) Documents to be preserved in accordance with the Subcontracting Act and this regulation shall be retained in the original state at the time the document is used for issuance, approval, and other purposes. The same applies to creation, transmission, reception, or storage in electronic form by a device having information processing capability, such as a computer.
(2) The Company and the partner shall retain the above documents for 3 years from the date of the end of the subcontract transaction between the parties. Here, the day the subcontract transaction is completed means the following date.
① Consignment of creation of knowledge and information outcomes during manufacturing consignment, repair consignment, and service entrustment - the date on which the partner delivered or transported the entrusted object to the prime contractor
② Consignment of supply of services during service consignment - the date on which the prime contractor completes the supply of services entrusted to the partner
③ Consignment of construction : the date on which the entrusted construction is completed
④ In case the subcontract is terminated or the transaction is suspended: the date of termination or suspension